澳门某公司的技术人员打算到祖国内地就业,考虑就近原则,首选的是( )
A:沈阳
B:成都
C:天津
D:珠海
The teacher spoke loud and clearly enough to make himself ________ by all his students.
如图所示,实线圆表示地球,竖直虚线a表示地轴,虚线圆b、c、d、e表示地球卫星可能的轨道,对于此图,下列说法正确的是( )